- A high flow rate is an indicator of cracks or imperfections in the filter which could reduce the efficacy of the filtration and not remove bacteria, parasites and other necessary impurities. In addition, a high flow rate reduces the time the filtered water is exposed to the silver solution, thus reducing the ability to kill bacteria present in the water.
- Too low a flow rate may prove impractical for households who may choose to no longer use the filter and therefore waste their investment and put their health at risk.
- Fill each filter with water and measure the level of water after a set period of time.
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